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Arduino hand calculator

Arduino Calculator made in C with Arduino IDE

Requirements

  • Arduino UNO board
  • Liquid crystal display 16x2
  • Arduino keypad (4x4)

Wire connections

  • uno:GND.1 : lcd:VSS
  • uno:GND.1 : lcd:K
  • uno:GND.1 : lcd:RW
  • uno:5V : lcd:VDD
  • uno:5V : r1:2
  • r1:1 : lcd:A
  • uno:12 : lcd:RS
  • uno:11 : lcd:E
  • uno:10 : lcd:D4
  • uno:9 : lcd:D5
  • uno:8 : lcd:D6
  • uno:7 : lcd:D7
  • uno:A3 : keypad:C1
  • uno:A2 : keypad:C2
  • uno:A1 : keypad:C3
  • uno:A0 : keypad:C4
  • uno:5 : keypad:R1
  • uno:4 : keypad:R2
  • uno:3 : keypad:R3
  • uno:2 : keypad:R4

Installation

  • Download Arduino IDE.
  • Open main.ino file and upload the code into arduino board.
  • Attach all the wires, according to above info/
  • Run your Arduino :)

Programming languages used:-

cplusplus arduino

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